/*
 * Copyright (c) 2016-2017, fastquery.org and/or its affiliates. All rights reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * For more information, please see http://www.fastquery.org/.
 * 
 */

package org.fastquery.filter.generate.querya;

import java.lang.reflect.Method;
import java.util.Set;

import org.fastquery.core.Placeholder;
import org.fastquery.core.Query;
import org.fastquery.filter.generate.common.MethodFilter;
import org.fastquery.util.TypeUtil;

/**
 * 拦截 SQL中 ?N+ 能否从方法参数中找到匹配
 * @author mei.sir@aliyun.cn
 */
public class MuestionFilter implements MethodFilter {

	@Override
	public Method doFilter(Method method) {
		int parameterCount = method.getParameterCount();
		Query[] queries = method.getAnnotationsByType(Query.class);
		for (Query query : queries) {
			String value = query.value();
			Set<String> strs = TypeUtil.matchesNotrepeat(value, Placeholder.SP1_REG);
			strs.forEach(str -> {
				int index = Integer.valueOf(str.replace("?", ""));
				if(index > parameterCount) {
					this.abortWith(method, String.format("%n@Query(%s)中的\"?%d\"表示指定该方法的第%d个参数,可是该方法一共只有%d个参数%n", value,index,index,parameterCount));
				}
			});
		}
		return method;
	}

}
